Upper Letts Lake Weather Forecast
- 25
- 28
Snow
- 19
- 28
Snow
- 27
- 30
Chance Snow
- 34
- 36
Blizzard
- 40
- 43
Rain/Snow
- 37
- 42
Snow
Today 18 Feb Mountains Southwestern Shasta County to Western Colusa County
Mostly cloudy. A chance of snow early in the Morning, then a slight chance of snow late in the morning. A slight chance of rain early in the afternoon. A chance of snow in the afternoon. A chance of rain late in the afternoon. Highs 25 to 40 higher Elevations. 39 to 45 lower Elevations. Little or no snow accumulation lower Elevations. Up to 1 inch higher Elevations. Snow level 2000 feet in the afternoon. Prevailing southwest Winds up to 15 Mph with Gusts to around 30 Mph.
Tonight 18 Feb Mountains Southwestern Shasta County to Western Colusa County
Mostly cloudy with a chance of rain and snow. Lows 20 to 35. Snow accumulation up to 1 inch lower Elevations except 2 to 8 Inches higher Elevations. Snow level 2000 feet. Prevailing southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.
Upper Letts Lake Temperature Statistics
February Temperature
Ukiah Municipal Airport (28.6 miles)
Lowest 4 February, 2026
33.7 °FAverage February
51.8 °FHighest 5 February, 2026
75.7 °F
Climate (2021–Present)
Ukiah Municipal Airport (28.6 miles)
Average Low 2021–2026
47 °FAverage 2021–2026
60.8 °FAverage High 2021–2026
76.1 °F